I recently had to format my Mac and lost all my Ti sdks. After Reinstalling Appcelerator Studio I currently have only Ti SDK 5.2.0.GA available which is causing my app to crash on devices having Android Marshmallow which didn't happen on 5.0.0.GA or below. Is there anyway I can install the previous version of Titanium SDK's and use it.
The easiest way, via CLI (command line interface).
Get the SDK titanium list
appc ti sdk list
Install titanium SDK
appc ti sdk install [<version>] [--default] [--force] [--branch <branch name>]
ex : appc ti sdk install 9.2.1.GA
Available SDK with appc
Appc info here